Sun - Wikipedia
WEBThe Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and …
Our Sun: Facts - Science@NASA
WEBThe part of the Sun we call its surface – the photosphere – is a relatively cool 10,000 °F (5,500 °C). In one of the Sun’s biggest mysteries, the Sun’s outer atmosphere, the corona, gets hotter the farther it stretches from the surface.
The Surface of the Sun - Center for Science Education
WEBThe surface of the Sun is called the photosphere, a term which means “sphere of light.” The glowing ball of light that you see in the sky is the photosphere. The surface of the Sun is the only part that we can see from Earth on a typical day, without use of …
The Sun - Science@NASA
WEBOverview. The Sun's gravity holds the solar system together, keeping everything – from the biggest planets to the smallest particles of debris – in its orbit. The connection and interactions between the Sun and Earth drive the seasons, ocean currents, weather, climate, radiation belts and auroras.
Sun - National Geographic Society
WEBFeb 2, 2024 · The sun is an ordinary star, one of about 100 billion in our galaxy, the Milky Way. The sun has extremely important influences on our planet: It drives weather, ocean currents, seasons, and climate, and makes plant life possible through photosynthesis.
Our solar system: The sun information and facts - National …
WEBSep 15, 2018 · The sun's surface temperature is about 10,000 degrees Fahrenheit (5,500 degrees Celsius), and it's 27 million degrees Fahrenheit (15.5 million Celsius) at the core. Deep in the sun's...
Sun | Definition, Composition, Properties, Temperature, & Facts
WEB6 days ago · The Sun is classified as a G2 V star, with G2 standing for the second hottest stars of the yellow G class—of surface temperature about 5,800 kelvins (K)—and the V representing a main sequence, or dwarf, star, the typical star for this temperature class.
Anatomy of the Sun - NASA
WEBJan 23, 2013 · The Convection Zone – Energy continues to move toward the surface through convection currents of the heated and cooled gas. The Chromosphere – This relatively thin layer of the Sun is sculpted by magnetic field lines that restrain the electrically charged solar plasma.
All About the Sun | NASA Space Place – NASA Science for Kids
WEBSep 1, 2021 · The Sun’s surface is very hot, and its atmosphere is even hotter. And the Sun’s core is the hottest part of all, at a sizzling 27 million degrees Fahrenheit! Our Sun is about 100 times wider than Earth, but it is just an average sized star.
Sun: Exploration - Science@NASA
WEBFacts. Exploration. Missions to the Sun. NASA and other international space agencies monitor the Sun 24/7 with a fleet of solar observatories, studying everything from the Sun’s atmosphere to its surface. NASA’s Parker Solar Probe is studying our star from closer than any previous spacecraft.